crypto: amcc - Do a NULL check for pointer

Compare pointer-typed values to NULL rather than 0.

The semantic patch that makes this change is available
in scripts/coccinelle/null/badzero.cocci

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/amcc/crypto4xx_core.c b/drivers/crypto/amcc/crypto4xx_core.c
index 3b28e8c3de28d1181e7f36a45af196ebfa457701..192a8fa325c1ccc8c71dd8617d84f509a1b6dfae 100644 (file)
--- a/drivers/crypto/amcc/crypto4xx_core.c
+++ b/drivers/crypto/amcc/crypto4xx_core.c
@@ -1113,7 +1113,7 @@ static irqreturn_t crypto4xx_ce_interrupt_handler(int irq, void *data)
        struct device *dev = (struct device *)data;
        struct crypto4xx_core_device *core_dev = dev_get_drvdata(dev);
 
-       if (core_dev->dev->ce_base == 0)
+       if (!core_dev->dev->ce_base)
                return 0;
 
        writel(PPC4XX_INTERRUPT_CLR,